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Finding the Third Proportional to 172,157,049.56 and 368,874,563.06

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Solution

The third proportional to 172,157,049.56 and 368,874,563.06 is: 790,373,926.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,157,049.56 : 368,874,563.06 = 368,874,563.06 : x
  2. Step 2: Convert to fraction form
    172,157,049.56/368,874,563.06 = 368,874,563.06/x
  3. Step 3: Cross multiply
    172,157,049.56x = 368,874,563.06 × 368,874,563.06
  4. Step 4: Simplify right side
    172,157,049.56x = 136,068,443,274,550,288
  5. Step 5: Solve for x
    x = 136,068,443,274,550,288/172,157,049.56
  6. Step 6: Final answer
    x = 790,373,926.72

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.